Protector for self-retractile hypodermic needles

Details Protector for self-retractile hypodermic needles Protector for self-retractile hypodermic needles

1992-05-22

1993-08-03

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604198, 604263, A61M 532

Patent

active

052324567

ABSTRACT:
A protector for self-retractile hypodermic needles, the purpose of which is to hide and protect the needle used in injections, both before and after its use. Its basic features are a tubular body opened on both ends and cylindrical, at least inside, including an inner ring-shaped projection with minimum width and thickness, which holds the needle-holder. The body includes as well an expansion spring placed between the end projection of the needle-holder provided to be held against the inner projection of the tubular body, and the strangled front end of the latter. The spring pushes the needle-holder in, hiding the needle, once the syringe has been used for an injection. The tubular body is provided with elongated side windows to simultaneously hold both the tubular body and the syringe during use.

REFERENCES:
patent: 4767413 (1988-08-01), Haber et al.
patent: 4946446 (1990-08-01), Vadher
patent: 4955868 (1990-09-01), Klein
patent: 5104384 (1992-04-01), Parry

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